/* panel.css - v2.0 PREMIUM DARK */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Renk Paleti */
    --bg-body: #09090b; /* Ultra Dark */
    --bg-sidebar: #0f1012;
    --bg-card: #15171a;
    --bg-input: #0a0a0a;
    
    --border-color: #27272a;
    --border-hover: #3f3f46;
    
    --primary: #3b82f6; /* Canlı Mavi */
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --primary-alpha: rgba(59, 130, 246, 0.15);
    
    --success: #10b981;
    --success-alpha: rgba(16, 185, 129, 0.15);
    
    --danger: #ef4444;
    --danger-alpha: rgba(239, 68, 68, 0.15);
    
    --warning: #f59e0b;
    --warning-alpha: rgba(245, 158, 11, 0.15);
    
    --text-main: #f4f4f5;
    --text-muted: #a1a1aa;
    --text-dark: #52525b;

    /* Shadow & Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --glass: rgba(21, 23, 26, 0.7);
}

/* --- RESET & BASE --- */
* { margin: 0; padding: 0; box-sizing: border-box; outline: none; text-decoration: none; list-style: none; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    line-height: 1.5;
    font-size: 14px;
}

/* Scrollbar Customization */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #444; }

/* --- LOGIN SECTION --- */
#auth-layer {
    position: fixed; inset: 0; z-index: 9999;
    background: radial-gradient(circle at center, #1a1d21 0%, #09090b 100%);
    display: flex; justify-content: center; align-items: center;
}

.login-container {
    width: 100%; max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.6s ease-out;
}

.login-header { text-align: center; margin-bottom: 30px; }
.login-header h1 { font-size: 28px; font-weight: 800; letter-spacing: -1px; margin-bottom: 5px; }
.login-header h1 span { color: var(--primary); }
.login-header p { color: var(--text-muted); font-size: 13px; }

.form-group { margin-bottom: 20px; position: relative; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; }
.form-control {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s ease;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-alpha);
    background: #0f1012;
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    display: flex; align-items: center; justify-content: center; gap: 10px;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px var(--primary-alpha);
}
.btn-primary:active { transform: translateY(0); }

/* --- ADMIN LAYOUT --- */
#admin-layer {
    display: flex; width: 100%; height: 100%;
    opacity: 0; pointer-events: none; transition: opacity 0.4s;
}
#admin-layer.active { opacity: 1; pointer-events: all; }

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex; flex-direction: column;
    flex-shrink: 0;
    z-index: 50;
}
.brand-box {
    height: 70px;
    display: flex; align-items: center; padding: 0 25px;
    border-bottom: 1px solid var(--border-color);
}
.brand-text { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; color: white; }
.brand-text span { color: var(--primary); }

.nav-scroller { flex: 1; padding: 20px 15px; overflow-y: auto; }
.nav-category { font-size: 11px; text-transform: uppercase; color: var(--text-dark); font-weight: 700; margin: 15px 10px 10px; letter-spacing: 1px; }

.nav-link {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 15px;
    border-radius: 8px;
    color: var(--text-muted);
    font-weight: 500;
    cursor: pointer;
    transition: 0.2s;
    margin-bottom: 4px;
}
.nav-link i { width: 20px; font-size: 16px; text-align: center; }
.nav-link:hover { background: rgba(255,255,255,0.03); color: white; }
.nav-link.active {
    background: var(--primary-alpha);
    color: var(--primary-light);
}

.user-profile-mini {
    padding: 20px; border-top: 1px solid var(--border-color);
    display: flex; align-items: center; gap: 12px;
}
.avatar {
    width: 40px; height: 40px; background: var(--border-color);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: white; font-weight: bold; font-size: 16px;
}
.u-info { flex: 1; }
.u-name { display: block; font-weight: 600; color: white; font-size: 13px; }
.u-role { display: block; font-size: 11px; color: var(--text-muted); }
.btn-logout { background: transparent; border: none; color: var(--danger); cursor: pointer; font-size: 16px; }

/* Main Content */
.main-wrapper { flex: 1; display: flex; flex-direction: column; overflow: hidden; position: relative; }

.top-bar {
    height: 70px;
    background: var(--bg-body); /* Glass effect removed for performance */
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 30px;
}
.page-header h2 { font-size: 18px; font-weight: 700; }
.top-actions { display: flex; gap: 15px; }
.icon-btn {
    width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-color);
    background: transparent; color: var(--text-muted); display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: 0.2s;
}
.icon-btn:hover { background: var(--bg-card); color: white; border-color: var(--text-dark); }

.content-area { flex: 1; padding: 30px; overflow-y: auto; }

/* Grid Layouts */
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-bottom: 30px; }
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 25px; border-radius: 12px;
    display: flex; justify-content: space-between; align-items: start;
}
.stat-info h4 { color: var(--text-muted); font-size: 12px; font-weight: 600; text-transform: uppercase; margin-bottom: 8px; }
.stat-info h2 { color: white; font-size: 24px; font-weight: 700; }
.stat-icon {
    width: 48px; height: 48px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.stat-icon.blue { background: var(--primary-alpha); color: var(--primary); }
.stat-icon.green { background: var(--success-alpha); color: var(--success); }
.stat-icon.red { background: var(--danger-alpha); color: var(--danger); }

/* Data Tables */
.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}
.card-header {
    padding: 20px 25px; border-bottom: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
}
.card-header h3 { font-size: 16px; font-weight: 600; }
.table-actions input {
    background: var(--bg-input); border: 1px solid var(--border-color);
    padding: 8px 12px; border-radius: 6px; color: white; font-size: 13px; width: 200px;
}

table { width: 100%; border-collapse: collapse; }
th {
    text-align: left; padding: 15px 25px;
    background: rgba(255,255,255,0.02);
    color: var(--text-muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}
td { padding: 15px 25px; border-bottom: 1px solid var(--border-color); color: var(--text-main); font-size: 13px; font-weight: 500; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.01); }

/* Status Badges */
.badge { padding: 4px 10px; border-radius: 6px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.badge.pending { background: var(--warning-alpha); color: var(--warning); }
.badge.success { background: var(--success-alpha); color: var(--success); }
.badge.danger { background: var(--danger-alpha); color: var(--danger); }
.badge.blue { background: var(--primary-alpha); color: var(--primary); }

/* Action Buttons in Table */
.action-btn {
    width: 32px; height: 32px; border-radius: 6px; border: none; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center; margin-right: 5px; transition: 0.2s;
}
.btn-edit { background: rgba(255,255,255,0.05); color: var(--text-muted); }
.btn-edit:hover { background: var(--primary); color: white; }
.btn-check { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.btn-check:hover { background: var(--success); color: white; }
.btn-cross { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.btn-cross:hover { background: var(--danger); color: white; }

/* --- MODAL (POPUP) --- */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 2000;
    backdrop-filter: blur(4px);
    display: none; justify-content: center; align-items: center;
    animation: fadeIn 0.2s ease;
}
.modal-content {
    background: var(--bg-card);
    width: 700px; max-width: 90vw; max-height: 90vh;
    border-radius: 12px; border: 1px solid var(--border-color);
    box-shadow: 0 50px 100px -20px rgba(0,0,0,0.7);
    display: flex; flex-direction: column;
    animation: scaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-header {
    padding: 20px 30px; border-bottom: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
}
.modal-header h3 { font-size: 18px; font-weight: 700; }
.close-modal { font-size: 20px; color: var(--text-muted); cursor: pointer; transition: 0.2s; }
.close-modal:hover { color: white; }

.modal-body { padding: 30px; overflow-y: auto; }
.modal-footer {
    padding: 20px 30px; border-top: 1px solid var(--border-color);
    text-align: right; background: rgba(0,0,0,0.2);
}

.user-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.full-col { grid-column: span 2; }
.read-only-field { opacity: 0.5; pointer-events: none; background: #0f1012; }

/* Utilities */
.hidden { display: none !important; }
.fade-in { animation: fadeIn 0.3s ease; }

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleUp { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* Media Queries */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .user-form-grid { grid-template-columns: 1fr; }
    .full-col { grid-column: span 1; }
}

.nav-scroller {
    overflow-y: auto !important;
    max-height: calc(100vh - 140px);
}